科研之友
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摘要
We propose a numerical method for computing zeta functions for general classes of Hamiltonians, based on the Gelfand-Yaglom theorem, which computes the determinant without needing to compute the eigenvalues. We verify that this agrees with known analytic results for certain Hermitean Hamiltonians, and we present numerical evidence that it may extend also to non-Hermitean PT-symmetric Hamiltonians.
- 出版日期2009-7-10
